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| 0000034067-18-000034-index.html | 2018-10-25 16:31:22 | |
| 0000034067-18-000034.txt | 2018-10-25 16:31:22 | |
 0000034067-18-000034-xbrl.zip | 163245 | 2018-10-25 16:31:22 |
| a0930201810q.htm | 1326291 | 2018-10-25 16:31:22 |
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| boom-exx311_q3x09302018.htm | 12660 | 2018-10-25 16:31:22 |
| boom-exx312_q3x09302018.htm | 12391 | 2018-10-25 16:31:22 |
| boom-exx321_q3x09302018.htm | 7247 | 2018-10-25 16:31:22 |
| boom-exx322_q3x09302018.htm | 7245 | 2018-10-25 16:31:22 |
 exhibit1toexhibitb.jpg | 194399 | 2018-10-25 16:31:22 |
 exhibita.jpg | 183787 | 2018-10-25 16:31:22 |
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| Financial_Report.xlsx | 66555 | 2018-10-25 16:31:22 |
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| report.css | 2767 | 2018-10-25 16:31:22 |
| Show.js | 1085 | 2018-10-25 16:31:22 |